From publisher blurb:
Gangland comes packed with six new Character Classes and eight new Advanced Classes for players to choose from. New Feats, Skills, Martial Arts, and a brand new Mass Combat System allowing players to run gangs or fight crime on a mass scale. An urban "Cops and Robbers" for "d20 Modern" Roleplay game. Along with crime, criminals,and Police the random adventure generators to help GM's (game masters) run countless gaming sessions. The Mass Combat System alone is a set of revolutionary game mechanics allowing quick play for the OGL d20 system. Hours of play-testing, gaming and watching bad "cop and robber" movies went in to this endeavor. This game is for gamers who crave high speed action and adventure in a fictional mean streets setting. If you're in the mood to play a corporate giant taking control of a city, a rookie cop trying to clean up the mean streets, a street doctor helping the needy to making a profit, or starting as a petty crook to work your way to war lord...